WA Group Sender is a free Chrome extension that allows users to send WhatsApp messages to all their WhatsApp groups quickly and securely. Developed by Prakash Raiya, this extension is designed to help users connect with their audience and grow their website or YouTube channel using WhatsApp groups.

With WA Group Sender, users can easily send links, emoji, text messages, images, videos, PDFs, and more to all their WhatsApp groups. The extension also includes features like blacklist management, database management, and the ability to show the first link preview. Users can add groups manually or copy-paste them into the database or blacklist.

The extension offers additional functionalities such as auto group joining, auto group link extractor, delivery report display, and the option to customize time delay between messages. Users can also choose the automatic group delay time for added convenience. WA Group Sender also includes a group console for easy management and does not require any software installation.

Please note that WA Group Sender is not an official extension of WhatsApp and the use of this software is not against the policies of WhatsApp Inc.